A free program for Android, by TheMonster.
Dual Sim is a data manager app, specially designed for HTC devices. It supports dual sim card on Android 5.0 and above. This is an app that can switch between two data connections on your phone. It can switch between 3G/4G or WIFI depending on the available signal.
This app is specially designed for HTC devices with the HTC Telephony API. It will not work for any other phone models. It can switch between WIFI and 3G/4G and will work on both SIM cards.
It is an important app to switch your data connection daily to avoid charges from your operator.
